Thesis Defense
■Time & Date : Feb.2 Mon. 13:30～
Venue : D-201
Applicant : 田中 優斗 Tanaka Yuto
Title : マナマコの行動ダイナミクス：状態推定に基づく行動解析と環境要因の評価
(Behavioural dynamics of the Japanese sea cucumber Apostichopus japonicus : behavioural analysis based on state estimation and evaluation of environmental drivers)
Chief Examiner: Prof. Takagi Tsutomu
Co-Examiners: Prof. Ijiri Shigeho, Associate Prof. Yoshimura Takeshi, Associate Prof. Koizumi Itsuro, Assistant Prof. Gomi Shintaro（Graduate School and Faculty of Fisheries）, Section Chief. Sakai Yuichi（Hokkaido Research Organization）
■Time & Date : Feb.4 Thu. 13:00～
Venue : D-201
Applicant : 古澤 惇平 Furusawa Jyunpei
Title : Body size shrinkage of a ground-dwelling beetle under global warming
（温暖化進行下の徘徊性甲虫の体サイズ縮小に関する研究）
Chief Examiner: Prof. Utsumi Shunsuke
Co-Examiners: Prof. Koshikawa Shigeyuki, Assistant Prof. Sato Yasuhiro, Prof. Ikeda Hiroshi（Graduate School of Agricultural and Life Sciences, The University of Tokyo）
■Time & Date : 14:00- Jan.26 Mon
Venue : D-101
Applicant : 仲谷 朗 Nakaya Akira
Title : Potential of silvicultural practices focusing on wood properties of hardwood species in Hokkaido
Chief Examiner: Prof. Yoshida Toshiya
Co-Examiners: Prof. Takagi Kentaro, Associate Prof. Suzuki Satoshi, Prof. Sasaki Takanobu (Research Faculty of Agriculture)
■Time & Date : 13:30- Jan.23 Fri
Venue : ILTS-Room215
Applicant : 大塚 玲桜 Otsuka Reo
Title : α-トコフェロール動態を中心とした冬眠生理適応メカニズムの定量的解析
( Quantitative analysis of physiological adaptation mechanisms in hibernation focusing on α-Tocopherol dynamics )
Chief Examiner: Prof. Yamaguchi Yoshifumi
Co-Examiners: Prof. Tanaka Ryouichi, Prof. Okamatsu Yuko（Faculty of Veterinary Medicine）
■Time & Date : 13:30- Jan.23 Fri
Venue : C-202
Applicant : 関 恭佑 Seki Kyosuke
Title : バイオロギング手法を用いた太平洋ニシンの集団産卵に関する研究
(A study on group spawning behavior of Pacific herring Clupea pallasii using bio-logging methods)
Chief Examiner: Prof. Miyashita Kazushi
Co-Examiners: Prof. Nakaoka Masahiro, Associate Prof. Minami Kenji, Associate Prof. Hagihara Seishi, Specially Appointed Professor Shida Osamu（Field Science Center for Northern Biosphere）
■Time & Date : 15:30- Jan.23 Fri
Venue : C-202
Applicant : 名畑 公晴 Nahata Kimiharu
Title : 漁業の担い手確保に資する価値観分析の試み― 価値観の多様性・共感・経済的効用の統合的検討 ―
(An integrative analysis of value orientations for securing human resources in fisheries: examining diversity, empathy, and economic utility)
Chief Examiner: Prof. Miyashita Kazushi
Co-Examiners: Prof. Nakaoka Masahiro, Associate Prof. Minami Kenji, Prof. Fukuda Satoru (Regional Fisheries Co-Creation Center）, Specially Appointed Professor Shida Osamu（Field Science Center for Northern Biosphere）
■Time & Date : 13:00- Jan.19 Mon
Venue : D-201
Applicant : 呂 依丹 LYU Yidan
Title : Studies on ploidy-dependent temperature responses of male gametophytes in Lilium leichtlinii
Chief Examiner: Prof. Hoshino Yoichiro
Co-Examiners: Prof. Nagasato Chikako, Assistant Prof. Hirata Toshiyuki, Associate Prof. Yamagishi Masumi（Research Faculty of Agriculture）
Time & Date : 10:30- Oct.30 Thu
Venue : D-101
Applicant :Amna Ilyas
Title : Integrative insights into novel host range expansion in the Solidago-specialist invasive aphid Uroleucon nigrotuberculatum
Chief Examiner: Prof. Utsumi Shunsuke
Co-Examiners: Prof. Koshikawa Shigeyuki, Prof. Ohara Masahiro（The Hokkaido University Museum）, Assistant Prof. Sato Yasuhiro
Time & Date : 14:00- Aug. 1st, Fri.
Venue : C-204-2
Applicant : 李 心怡 LI Xinyi
Title : Study on the catch characteristics of chum salmon based on the vertical behaviour in the coastal water of Shiretoko Peninsula
Chief Examiner: Prof. Miyashita Kazushi
Co-Examiners: Prof. Nakaoka Masahiro, Prof. Shida Osamu(Field Science Center for Northern Biosphere), Assoc.prof. Minami Kenji
————————————————————-
Time & Date : 16:00- Aug. 1st, Fri.
Venue : C-204-2
Applicant : JOHNSTONE Jackson Brooks
Title : Study on a recolonizing population of sea otters (Enhydra lutris ) in eastern Hokkaido: feeding habits and the effects of a major environmental disturbance upon them
Chief Examiner: Prof. Miyashita Kazushi
Co-Examiners: Prof. Nakaoka Masahiro, Prof. Mitani Yoko(Wildlife Research Center of Kyoto University), Assoc.prof. Minami Kenji
Time & Date : 10:00- July. 22nd, Tue.
Venue : Ｄ101
Applicant : AKHTAR Nilufa
Title : Spatiotemporal dynamics of coastal wetland vegetation under large-scaled disturbances
Chief Examiner: Prof. Tsuyuzaki Shiro
Co-Examiners: Prof. Aiba Shinichiro, Prof. Nakaji Tatsuro, Assoc.prof. Kudo Gaku
————————————————————-
Time & Date : 13:00- July. 22nd, Tue.
Venue : Ｄ101
Applicant : SULTANA Marzia
Title : The interactive effects of human disturbances and biological invasion on tropical moist deciduous forest
Chief Examiner: Prof. Tsuyuzaki Shiro
Co-Examiners: Prof. Aiba Shinichiro, Prof. Nakaji Tatsuro, Assoc.prof. Kudo Gaku
Time & Date : 9:30- Oct. 22nd, Tue.
Venue : Ｄ201
Applicant : Ouanh Phomvisith
Title : Effects of Maternal Undernutrition on DNA Methylation, Gene Expression, and Metabolites of Fetal Thymus and Growth in Wagyu (Japanese Black) Cattle
Chief Examiner: 教授 後藤 貴文
Co-Examiners: 教授 星野 洋一郎、教授 室谷 進（鹿児島大学）、准教授 鈴木 裕
Time & Date : 14:00- Nov.1st, Fri.
Venue : Ｄ201
Applicant : LOMAEVA Marina
Title : The roles of subnational and non-state actors in environmental governance : Japan, Russia, and the northern fur seal conservation and management in the North Pacific
Chief Examiner: 教授 宮下 和士
Co-Examiners: 教授 揚妻 直樹、准教授 SAUNAVAARA JUHA MIKAEL（北極域研究センター）、准教授 南 憲吏、教授 三谷 曜子（京都大学野生動物研究センター）
Time & Date : 16:15- Nov.1st, Fri.
Venue : Ｄ201
Applicant : 伊藤 慶造
Title : 音響手法を用いたアマモ場による生態系サービスの定量的評価に関する研究
（Study on quantitative assessment of ecosystem services by eelgrass beds using acoustic method）
Chief Examiner: 教授 宮下 和士
Co-Examiners: 教授 仲岡 雅裕、准教授 南 憲吏、教授 千葉 晋（東京農業大学 生物産業学部）
Time & Date : 15:00- Nov.12th, Tue.
Venue : Ｄ201
Applicant : 曾 瑞琪
Title : Relationships between functional traits and tree establishment after landslide disturbances in cool-temperate forests
（冷温帯林における山腹崩壊後の樹木定着と機能形質との関係）
Chief Examiner: 准教授 小林 真
Co-Examiners: 教授 吉田 俊也、教授 高木 健太郎
学位申請者 Applicant：Huyền Thị Thanh Phạm
論文題目 Title：
tudies on reconstruction of a functional duckweed holobiont to reduce nutrient competition with microalgae for high-yield biomass production
（高収率バイオマス生産に向けたウキクサホロビオントの再構築に関する研究〜微細藻類との栄養競合の低減によるウキクサの成長促進）
日時：8/2（金）17:00～ 環境科学院C204-1（手前側）
Day Time: Aug. 2nd (Fri) 17:00
主査：森川 正章
Chief Examiner: Masaaki Morikawa
副査：福井 学、三輪 京子、堀 千明
Deputy Examiners: Manabu Fukui, Kyoko Miwa, Chiaki Hori
学位申請者 Applicant：古巻 史穂 Shiho Furumaki
論文題目 Title：
目視手法と受動的音響手法を用いた知床半島周辺海域における海棲哺乳類の時空間分布の解明
（Spatial-temporal distribution of marine mammals around Shiretoko Peninsula using sighting survey and passive acoustic methods）
日時：7月18日（木）15:00〜 環境科学院Ｄ201
Day Time: 18th July (Thu) 15:00
主査：宮下 和士
Chief Examiner: Kazushi Miyashita
副査：仲岡 雅裕、南 憲吏、三谷 曜子（京都大学 野生動物研究センター）
Deputy Examiners: Masahiro Nakaoka, Kenji Minami, Yoko Miyani
学位申請者 Applicant：LI Jixiao
論文題目 Title：
Study on the impact of ploidy levels in shaping morphological and biochemical traits in haskap (Lonicera caerulea L. subsp. edulis )
（倍数性レベルがハスカップ（Lonicera caerulea L. subsp. edulis ）の形態学的および生化学的形質に及ぼす影響に関する研究）
日時：7月19日（金）9:00〜 環境科学院Ｄ201
Day Time: 19th July (Fri) 9:00
主査：星野 洋一郎
Chief Examiner: Yoichiro Hoshino
副査：後藤 貴文、中村 剛、平田 聡之
Deputy Examiners: Gotoh Takafumi, Koh Nakamura, Toshiyuki Hirata
学位申請者 Applicant：ZHANG Mengwei
論文題目 Title：
Development of a system for evaluating Paeonia suffruticosa pollen viability using deep learning techniques（深層学習を用いたPaeonia suffruticosa の花粉稔性の評価システムの開発）
日時：7月19日（金）10:30〜 環境科学院Ｄ201
Day Time: 19th July (Fri) 10:30
主査：星野 洋一郎
Chief Examiner: Yoichiro Hoshino
副査：後藤 貴文、中村 剛
Deputy Examiners: Gotoh Takafumi, Koh Nakamura
学位申請者 Applicant：CARLSON Andrew Kalani
論文題目 Title：
Variability of macroalgal dissolved organic carbon dynamics: Insights for social-ecology beyond Blue Carbon（大型藻類由来の溶存有機炭素動態の変動性：ブルーカーボンを超える社会生態学的洞察）
日時：7月19日（金）15:00〜 環境科学院Ｄ201
Day Time: 19th July (Fri) 15:00
主査：工藤 勲
Chief Examiner: Isao Kudo
副査：高木 力、仲岡 雅裕、四ツ倉 典滋、芳村 毅、山下 洋平
Deputy Examiners: Tsutomu Takagi, Masahiro Nakaoka, Norishige Nakaoka, Takeshi Yoshimura, Yohei Yamashita
